The placket of mold is accord with the product or not. It cans adjustment below a adjust the mold-lip. The bolt of mold lip can easy to adjust. And it should use the high temperature lubricate. Keep the high pressure for the bolt. When turn the bolt in , the opening of the mold-lip will be reduced. Avoiding adjusting the large range, each bolt We advise you adjust many bolts to keep the opening of the mold-lip. The range of is to.040mm. You should confirm the advance setting and adjusted actually setting for mold as your next reference. Actual mold-lip will affect the extrusion pressure